Compare 166400 vs 166409
| Property | 166400 | 166409 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 12 | 1 |
| Prime factorization | 29 × 52 × 131 | 1664091 |
| Prime factorization | 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 5 × 13 | 166409 |
| Divisors count | 60 | 2 |
| Divisors | 1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 64, 65, 80, 100, 104, 128, 130, 160, 200, 208, 256, 260, 320, 325, 400, 416, 512, 520, 640, 650, 800, 832, 1040, 1280, 1300, 1600, 1664, 2080, 2560, 2600, 3200, 3328, 4160, 5200, 6400, 6656, 8320, 10400, 12800, 16640, 20800, 33280, 41600, 83200, 166400 | 1, 166409 |
| Number of properties | 0 | 7 |
| Chen primes | 6461st | |
| Emirps | 3369th | |
| Harmonic primes | 5708th | |
| Isolated primes | 11497th | |
| Primes | 15206th | |
| Pythagorean primes | 7582nd | |
| Sexy primes (2nd member) | 3679th | |
| Roman numberals | ||
| Base 2 | 1010001010000000002 | 1010001010000010012 |
| Base 3 | 221100202223 | 221100210223 |
| Base 4 | 2202200004 | 2202200214 |
| Base 5 | 203111005 | 203111145 |
| Base 6 | 33222126 | 33222256 |
| Base 7 | 12620637 | 12621057 |
| Base 8 | 5050008 | 5050118 |
| Base 9 | 2732289 | 2732389 |
| Base 10 | 16640010 | 16640910 |
| Base 11 | 10402311 | 10403111 |
| Base 12 | 8036812 | 8037512 |
| Base 13 | 5a98013 | 5a98913 |
| Base 14 | 448da14 | 4490514 |
| Base 15 | 3448515 | 3448e15 |
| Base 16 | 28a0016 | 28a0916 |